{"classifier_version":"1.4.0","documentation":"https://rirtracker.com/api/","disclaimer":"This site independently analyzes publicly available Internet number-resource records. It is not affiliated with or endorsed by ARIN, the RIPE NCC, APNIC, LACNIC, AFRINIC, the Number Resource Organization (NRO), or any other Regional Internet Registry. Classifications and hold-expiration dates are evidence-based interpretations and do not constitute confirmation that a resource is available for issuance or transfer.","resource":"198.135.156.0/22","resource_type":"ipv4","page":"https://rirtracker.com/ip/198.135.156.0-198.135.159.255/","statistics_now":{"registry":"ARIN","status":"allocated (dated 2020-04-02)"},"current_holder":{"rir":"ARIN","org":"Western Independent Networks, Inc.","how":"ARIN's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":20382,"date":"2020-04-02T20:24:09Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"AECOM","recipient_org":"Western Independent Networks, Inc.","range":"198.135.156.0/22","log":"ARIN"},{"id":19101,"date":"2019-10-16T20:48:42Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Rust Environment & Infrastructure","recipient_org":"AECOM","range":"198.135.156.0/24","log":"ARIN"},{"id":19102,"date":"2019-10-16T20:48:42Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Rust Environment & Infrastructure","recipient_org":"AECOM","range":"198.135.157.0/24","log":"ARIN"},{"id":19103,"date":"2019-10-16T20:48:42Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Rust Environment & Infrastructure","recipient_org":"AECOM","range":"198.135.158.0/24","log":"ARIN"},{"id":19104,"date":"2019-10-16T20:48:42Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Rust Environment & Infrastructure","recipient_org":"AECOM","range":"198.135.159.0/24","log":"ARIN"}],"events":[{"event_id":"d4b5a437a06123c6","registry":"ARIN","report_date":"2020-04-02","source":"arin_issued","raw_action":"ADD","raw_line":"Add 198.135.156.0-198.135.159.255","resource_type":"ipv4","resource":"198.135.156.0/22","start":"198.135.156.0","end":"198.135.159.255","classification":"INTRA_RIR_TRANSFER","classification_label":"Intra-ARIN transfer","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"AECOM","recipient_organization":"Western Independent Networks, Inc.","inventory_effect":"No effect on ARIN applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:52:48+00:00","page":"https://rirtracker.com/ip/198.135.156.0-198.135.159.255/#e-d4b5a437a06123c6","report_page":"https://rirtracker.com/arin/reports/2020-04-02/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/198.135.156.0-198.135.159.255.json","explanation":"ARIN's transfer log records a transfer from AECOM (ARIN) to Western Independent Networks, Inc. (ARIN) on 2020-04-02 20:24 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN.","evidence":[{"type":"arin_issued","url":"https://lists.arin.net/pipermail/arin-issued/2020-April/004129.html","retrieved_at":"2026-10-12T18:40:52+00:00","summary":"ARIN-Issued report for 2020-04-02: \"Add 198.135.156.0-198.135.159.255\""},{"type":"transfer","url":"https://ftp.arin.net/pub/stats/arin/transfers/transfers_latest.json","retrieved_at":"2026-10-13T13:57:20+00:00","summary":"Transfer log: RESOURCE_TRANSFER on 2020-04-02 20:24 UTC, AECOM (ARIN) to Western Independent Networks, Inc. (ARIN); resources moved: 198.135.156.0/22"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2020/delegated-arin-extended-20200401.gz","retrieved_at":"2026-10-12T22:21:44+00:00","summary":"ARIN delegated statistics 2020-04-01 (produced 2020-04-01T14:00:13+00:00), before the report: assigned (dated 1993-05-18)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2020/delegated-arin-extended-20200403.gz","retrieved_at":"2026-10-12T22:21:49+00:00","summary":"ARIN delegated statistics 2020-04-03 (produced 2020-04-03T14:00:14+00:00), after the report: allocated (dated 2020-04-02)"}]}],"classification_history":{"d4b5a437a06123c6":[{"raw_change_id":164883,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T03:47:47+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from AECOM (ARIN) to Western Independent Networks, Inc. (ARIN) on 2020-04-02 20:24 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":164883,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.1","classified_at":"2026-10-13T08:06:46+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from AECOM (ARIN) to Western Independent Networks, Inc. (ARIN) on 2020-04-02 20:24 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":164883,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.2","classified_at":"2026-10-13T14:49:31+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from AECOM (ARIN) to Western Independent Networks, Inc. (ARIN) on 2020-04-02 20:24 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":164883,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-13T23:52:48+00:00","current":1,"public_explanation":"ARIN's transfer log records a transfer from AECOM (ARIN) to Western Independent Networks, Inc. (ARIN) on 2020-04-02 20:24 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."}]},"arin_statistics_now":{"status":"allocated (dated 2020-04-02)"}}